
function realSysTime(clock){ 
var now=new Date(); //创建Date对象 
var year=now.getFullYear(); //获取年份 
var month=now.getMonth(); //获取月份 
var date=now.getDate(); //获取日期 
var day=now.getDay(); //获取星期 
var hour=now.getHours() ;//获取小时 
var minu=now.getMinutes(); //获取分钟 
var sec=now.getSeconds(); //获取秒钟 
month=month+1; 
var arr_week=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六"); 
var week=arr_week[day]; //获取中文的星期 
var time=year+"年"+month+"月"+date+"日 "+week+" "+hour+":"+minu+":"+sec; //组合系统时间 
clock.innerHTML=time; //显示系统时间 
} 
window.onload=function(){ 
window.setInterval("realSysTime(clock)",1000); //实时获取并显示系统时间 
} 
